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<div class="subTitle">org.apache.commons.io.input</div>
<h2 title="Class Tailer" class="title">Class Tailer</h2>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li>org.apache.commons.io.input.Tailer</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">Tailer</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></pre>
<div class="block">Simple implementation of the unix "tail -f" functionality.
 
 <h2>1. Create a TailerListener implementation</h2>
 <p>
 First you need to create a <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input"><code>TailerListener</code></a> implementation
 (<a href="../../../../../org/apache/commons/io/input/TailerListenerAdapter.html" title="class in org.apache.commons.io.input"><code>TailerListenerAdapter</code></a> is provided for convenience so that you don't have to
 implement every method).
 </p>

 <p>For example:</p>
 <pre>
  public class MyTailerListener extends TailerListenerAdapter {
      public void handle(String line) {
          System.out.println(line);
      }
  }</pre>

 <h2>2. Using a Tailer</h2>

 <p>
 You can create and use a Tailer in one of three ways:
 </p>
 <ul>
   <li>Using one of the static helper methods:
     <ul>
       <li><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener)"><code>create(File, TailerListener)</code></a></li>
       <li><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long)"><code>create(File, TailerListener, long)</code></a></li>
       <li><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean)"><code>create(File, TailerListener, long, boolean)</code></a></li>
     </ul>
   </li>
   <li>Using an <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent"><code>Executor</code></a></li>
   <li>Using an <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang"><code>Thread</code></a></li>
 </ul>

 <p>
 An example of each of these is shown below.
 </p>

 <h3>2.1 Using the static helper method</h3>

 <pre>
      TailerListener listener = new MyTailerListener();
      Tailer tailer = Tailer.create(file, listener, delay);</pre>

 <h3>2.2 Using an Executor</h3>

 <pre>
      TailerListener listener = new MyTailerListener();
      Tailer tailer = new Tailer(file, listener, delay);

      // stupid executor impl. for demo purposes
      Executor executor = new Executor() {
          public void execute(Runnable command) {
              command.run();
           }
      };

      executor.execute(tailer);
 </pre>


 <h3>2.3 Using a Thread</h3>
 <pre>
      TailerListener listener = new MyTailerListener();
      Tailer tailer = new Tailer(file, listener, delay);
      Thread thread = new Thread(tailer);
      thread.setDaemon(true); // optional
      thread.start();</pre>

 <h2>3. Stopping a Tailer</h2>
 <p>Remember to stop the tailer when you have done with it:</p>
 <pre>
      tailer.stop();
 </pre>

 <h2>4. Interrupting a Tailer</h2>
 <p>You can interrupt the thread a tailer is running on by calling <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html?is-external=true#interrupt()" title="class or interface in java.lang"><code>Thread.interrupt()</code></a>.</p>
 <pre>
      thread.interrupt();
 </pre>
 <p>If you interrupt a tailer, the tailer listener is called with the <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang"><code>InterruptedException</code></a>.</p>

 <p>The file is read using the default charset; this can be overriden if necessary</p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>2.0, 2.5 Updated behavior and documentation for <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html?is-external=true#interrupt()" title="class or interface in java.lang"><code>Thread.interrupt()</code></a></dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: Tailer.java 1714076 2015-11-12 16:06:41Z krosenvold $</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input"><code>TailerListener</code></a>, 
<a href="../../../../../org/apache/commons/io/input/TailerListenerAdapter.html" title="class in org.apache.commons.io.input"><code>TailerListenerAdapter</code></a></dd></dl>
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<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20java.nio.charset.Charset,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20boolean,%20int)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;cset,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen,
      int&nbsp;bufSize)</code>
<div class="block">Creates a Tailer for the given file, with a specified buffer size.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20org.apache.commons.io.input.TailerListener)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener)</code>
<div class="block">Creates a Tailer for the given file, starting from the beginning, with the default delay of 1.0s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis)</code>
<div class="block">Creates a Tailer for the given file, starting from the beginning.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end)</code>
<div class="block">Creates a Tailer for the given file, with a delay other than the default 1.0s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20boolean)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen)</code>
<div class="block">Creates a Tailer for the given file, with a delay other than the default 1.0s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20boolean,%20int)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen,
      int&nbsp;bufSize)</code>
<div class="block">Creates a Tailer for the given file, with a specified buffer size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#Tailer(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20int)">Tailer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      int&nbsp;bufSize)</code>
<div class="block">Creates a Tailer for the given file, with a specified buffer size.</div>
</td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
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<li class="blockList"><a name="method_summary">
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20java.nio.charset.Charset,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20boolean,%20int)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;charset,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen,
      int&nbsp;bufSize)</code>
<div class="block">Creates and starts a Tailer for the given file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener)</code>
<div class="block">Creates and starts a Tailer for the given file, starting at the beginning of the file
 with the default delay of 1.0s</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis)</code>
<div class="block">Creates and starts a Tailer for the given file, starting at the beginning of the file</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end)</code>
<div class="block">Creates and starts a Tailer for the given file with default buffer size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20boolean)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen)</code>
<div class="block">Creates and starts a Tailer for the given file with default buffer size.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20boolean,%20int)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen,
      int&nbsp;bufSize)</code>
<div class="block">Creates and starts a Tailer for the given file.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#create(java.io.File,%20org.apache.commons.io.input.TailerListener,%20long,%20boolean,%20int)">create</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      int&nbsp;bufSize)</code>
<div class="block">Creates and starts a Tailer for the given file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#getDelay()">getDelay</a></strong>()</code>
<div class="block">Return the delay in milliseconds.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#getFile()">getFile</a></strong>()</code>
<div class="block">Return the file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#getRun()">getRun</a></strong>()</code>
<div class="block">Gets whether to keep on running.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#run()">run</a></strong>()</code>
<div class="block">Follows changes in the file, calling the TailerListener's handle method for each new line.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/io/input/Tailer.html#stop()">stop</a></strong>()</code>
<div class="block">Allows the tailer to complete its current loop and return.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener)</pre>
<div class="block">Creates a Tailer for the given file, starting from the beginning, with the default delay of 1.0s.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - The file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd></dl>
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<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis)</pre>
<div class="block">Creates a Tailer for the given file, starting from the beginning.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd></dl>
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<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end)</pre>
<div class="block">Creates a Tailer for the given file, with a delay other than the default 1.0s.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd></dl>
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<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen)</pre>
<div class="block">Creates a Tailer for the given file, with a delay other than the default 1.0s.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>reOpen</code> - if true, close and reopen the file between reading chunks</dd></dl>
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<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      int&nbsp;bufSize)</pre>
<div class="block">Creates a Tailer for the given file, with a specified buffer size.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>bufSize</code> - Buffer size</dd></dl>
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<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen,
      int&nbsp;bufSize)</pre>
<div class="block">Creates a Tailer for the given file, with a specified buffer size.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>reOpen</code> - if true, close and reopen the file between reading chunks</dd><dd><code>bufSize</code> - Buffer size</dd></dl>
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<h4>Tailer</h4>
<pre>public&nbsp;Tailer(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;cset,
      <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
      long&nbsp;delayMillis,
      boolean&nbsp;end,
      boolean&nbsp;reOpen,
      int&nbsp;bufSize)</pre>
<div class="block">Creates a Tailer for the given file, with a specified buffer size.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>cset</code> - the Charset to be used for reading the file</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>reOpen</code> - if true, close and reopen the file between reading chunks</dd><dd><code>bufSize</code> - Buffer size</dd></dl>
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<h4>create</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
            long&nbsp;delayMillis,
            boolean&nbsp;end,
            int&nbsp;bufSize)</pre>
<div class="block">Creates and starts a Tailer for the given file.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>bufSize</code> - buffer size.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
            long&nbsp;delayMillis,
            boolean&nbsp;end,
            boolean&nbsp;reOpen,
            int&nbsp;bufSize)</pre>
<div class="block">Creates and starts a Tailer for the given file.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>reOpen</code> - whether to close/reopen the file between chunks</dd><dd><code>bufSize</code> - buffer size.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<h4>create</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;charset,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
            long&nbsp;delayMillis,
            boolean&nbsp;end,
            boolean&nbsp;reOpen,
            int&nbsp;bufSize)</pre>
<div class="block">Creates and starts a Tailer for the given file.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>charset</code> - the character set to use for reading the file</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>reOpen</code> - whether to close/reopen the file between chunks</dd><dd><code>bufSize</code> - buffer size.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
            long&nbsp;delayMillis,
            boolean&nbsp;end)</pre>
<div class="block">Creates and starts a Tailer for the given file with default buffer size.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
            long&nbsp;delayMillis,
            boolean&nbsp;end,
            boolean&nbsp;reOpen)</pre>
<div class="block">Creates and starts a Tailer for the given file with default buffer size.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd><dd><code>end</code> - Set to true to tail from the end of the file, false to tail from the beginning of the file.</dd><dd><code>reOpen</code> - whether to close/reopen the file between chunks</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<h4>create</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener,
            long&nbsp;delayMillis)</pre>
<div class="block">Creates and starts a Tailer for the given file, starting at the beginning of the file</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd><dd><code>delayMillis</code> - the delay between checks of the file for new content in milliseconds.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<h4>create</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/commons/io/input/Tailer.html" title="class in org.apache.commons.io.input">Tailer</a>&nbsp;create(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
            <a href="../../../../../org/apache/commons/io/input/TailerListener.html" title="interface in org.apache.commons.io.input">TailerListener</a>&nbsp;listener)</pre>
<div class="block">Creates and starts a Tailer for the given file, starting at the beginning of the file
 with the default delay of 1.0s</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>file</code> - the file to follow.</dd><dd><code>listener</code> - the TailerListener to use.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new tailer</dd></dl>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;getFile()</pre>
<div class="block">Return the file.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the file</dd></dl>
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<pre>protected&nbsp;boolean&nbsp;getRun()</pre>
<div class="block">Gets whether to keep on running.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>whether to keep on running.</dd><dt><span class="strong">Since:</span></dt>
  <dd>2.5</dd></dl>
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<pre>public&nbsp;long&nbsp;getDelay()</pre>
<div class="block">Return the delay in milliseconds.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the delay in milliseconds.</dd></dl>
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<h4>run</h4>
<pre>public&nbsp;void&nbsp;run()</pre>
<div class="block">Follows changes in the file, calling the TailerListener's handle method for each new line.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Runnable.html?is-external=true#run()" title="class or interface in java.lang">run</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></dd>
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<pre>public&nbsp;void&nbsp;stop()</pre>
<div class="block">Allows the tailer to complete its current loop and return.</div>
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